Identify Website Security Warningscheck out how much backlinks you have,from which sites you get the backlinks, If those sites are not relevant to you or if those sites are black listed or banned then might be your site also get black listed at that time you can use disavow code to guide to the search engine that don't calculate backlinks from those sites.

Your website is blacklisted because Google scanned your site and found harmful behavior. Google needs to protect its users from dangerous websites that show up in their search results. In fact, websites that repeatedly get blacklisted for malicious behavior are limited to only one review every 30 days. That big red splash page (and warnings next to your site in Google's search results) are designed to stop visitors from entering your site. It works, too. Websites lose about 95% of their traffic when blacklisted by Google.

If you are seeing security warnings when trying to reach your website:

Review the images below and common Google blacklist warnings. Identify the type of warning you are seeing on your site. Follow this guide to fix security issues and request a review.

The specific warning message on your site can help you to understand what Google is telling you about the type of security issues they found on your site. This information will be useful in the following sections of this guide.

To scan your website for hаcks and blacklist warnings using Sucuri SiteCheck:

Visit the Sucuri SiteCheck website and enter your website URL. Click Scan Website. If the site is infected, note any payloads and file locations found by SiteCheck. Click Blacklist Status to see if you are blacklisted by other authorities.